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Author	SHA1	Message	Date
Moshe Kaplan	cfcd52490d	GH-141963: Clarify argparse documentation (GH-141964) ... Clarify argparse documentation Tightens the phrasing for several argparse actions.	2025-11-28 23:23:34 -08:00
Hugo van Kemenade	890fe5aad5	Docs: multi-disk ZIP files -> multipart ZIP files (GH-141962) ... * Remove some old currentlies * multi-disk -> multipart * Sentence case headings	2025-11-28 23:11:59 -08:00
Sebastian Pipping	440bcb9456	gh-141994: Warn of XXE vulnerability in documentation of SAX feature xml.sax.handler.feature_external_ges (GH-141996) ... Doc/library/xml.sax.handler.rst: Warn of XXE with feature_external_ges Related to commit baa9f33897	2025-11-28 23:08:17 -08:00
Victor Stinner	5e749d3743	Fix multiprocessing queue test_get() (GH-142024) ... * Replace sleep() with support.sleeping_retry(). * Test get_nowait() first. * Restore previously disabled test. Fix the failure: FAIL: test_get (test.test_multiprocessing_spawn.test_processes.WithProcessesTestQueue.test_get) ---------------------------------------------------------------------- Traceback (most recent call last): File "Lib/test/_test_multiprocessing.py", line 1208, in test_get self.assertEqual(queue_empty(queue), False) ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: True != False	2025-11-28 23:00:14 -08:00
Gregory P. Smith	5b1862bdd8	gh-87512: Fix subprocess using timeout= on Windows blocking with a large input= (GH-142058) ... On Windows, Popen._communicate() previously wrote to stdin synchronously, which could block indefinitely if the subprocess didn't consume input= quickly and the pipe buffer filled up. The timeout= parameter was only checked when joining the reader threads, not during the stdin write. This change moves the Windows stdin writing to a background thread (similar to how stdout/stderr are read in threads), allowing the timeout to be properly enforced. If timeout expires, TimeoutExpired is raised promptly and the writer thread continues in the background. Subsequent calls to communicate() will join the existing writer thread. Adds test_communicate_timeout_large_input to verify that TimeoutExpired is raised promptly when communicate() is called with large input and a timeout, even when the subprocess doesn't consume stdin quickly. This test already passed on POSIX (where select() is used) but failed on Windows where the stdin write blocks without checking the timeout. Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>	2025-11-28 22:07:03 -08:00
Gregory P. Smith	923056b2d4	gh-74389: gh-70560: subprocess.Popen.communicate() now ignores stdin.flush error when closed (GH-142061) ... gh-70560: gh-74389: subprocess.Popen.communicate() now ignores stdin.flush error when closed with a unittest and news entry.	2025-11-29 05:03:06 +00:00
Gregory P. Smith	cc6bc4c97f	GH-134453: Fix subprocess memoryview input handling on POSIX (GH-134949) ... Fix inconsistent subprocess.Popen.communicate() behavior between Windows and POSIX when using memoryview objects with non-byte elements as input. On POSIX systems, the code was incorrectly comparing bytes written against element count instead of byte count, causing data truncation for large inputs with non-byte element types. Changes: - Cast memoryview inputs to byte view when input is already a memoryview - Fix progress tracking to use len(input_view) instead of len(self._input) - Add comprehensive test coverage for memoryview inputs 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * old-man-yells-at-ReST * Update 2025-05-30-18-37-44.gh-issue-134453.kxkA-o.rst * assertIsNone review feedback * fix memoryview_nonbytes test to fail without our fix on main, and have a nicer error. Thanks to Peter Bierma @ZeroIntensity for the code review.	2025-11-29 04:25:06 +00:00
Artur Jamro	526d7a8bb4	gh-141473: Fix subprocess.Popen.communicate to send input to stdin upon a subsequent post-timeout call (GH-141477) ... * gh-141473: Fix subprocess.Popen.communicate to send input to stdin * Docs: Clarify that `input` is one time only on `communicate()` * NEWS entry * Add a regression test. --------- Co-authored-by: Gregory P. Smith <greg@krypto.org>	2025-11-28 18:04:52 -08:00
Cody Maloney	d2d2e92110	Docs: Move to method references for bytearray.take_bytes (#142053)	2025-11-28 22:07:34 +01:00
dgpb	fa9519f8b2	gh-142025: Add c-analyzer include for pyexpat.c (GH-142026) ... Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>	2025-11-28 09:51:48 -08:00
Cody Maloney	5a7c9c6861	gh-141968: Use take_bytes in encodings.punycode (#141974) ... Removes a copy going from bytearray to bytes. Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>	2025-11-28 17:47:14 +00:00
Cody Maloney	3001464248	gh-141968: Use take_bytes in re._compiler (#141995) ... Removes a copy going from bytearray to bytes. Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>	2025-11-28 17:46:10 +00:00
dgpb	5ec03cf3b0	gh-133228: c-analyzer clang preprocessor (GH-133229) ... * impl * included 2 failures to tsvs next to similar entries * added fix/hack for curses.h fails * fix leftover from debug	2025-11-27 22:22:21 +00:00
Stefano Rivera	656a64b37f	gh-141930: Use the regular IO stack to write .pyc files for a better error message on failure (GH-141931) ... * Use open() to write the bytecode * Convert to unittest style asserts * Tweak news, thanks @vstinner * Tidy * reword NEWS, avoid word "retried"	2025-11-27 19:17:59 +00:00
Miro Hrončok	69f54ce452	gh-140210: Make test_sysconfig.test_parse_makefile_renamed_vars ignore environment variables (#140213) ... The test did not expect it could be run with e.g. CFLAGS set to a custom value.	2025-11-27 10:00:02 -08:00
SIVALANAGASHANKARNIVAS	e02801dc37	gh-140505: Fix 'parameters' to 'arguments' in xmlrpc.client.MultiCall docs (GH-141942) ... Fix terminology: change 'parameters' to 'arguments' in MultiCall docs Fixes #140505	2025-11-27 18:01:15 +01:00
Victor Stinner	9c4ff8a615	gh-130396: Export _Py_ReachedRecursionLimitWithMargin() (#142012) ... test_peg_generator needs the function.	2025-11-27 12:22:15 +00:00
Victor Stinner	d5d9e89dde	gh-116008: Detect freed thread state in faulthandler (#141988) ... Add _PyMem_IsULongFreed() function.	2025-11-27 12:35:00 +01:00
Victor Stinner	83d8134c5b	gh-127635: Use flexible array in tracemalloc (#141991) ... Replace frames[1] with frames[] in tracemalloc_traceback structure.	2025-11-27 12:32:31 +01:00
Victor Stinner	7fe1a18b77	gh-130396: Remove _Py_ReachedRecursionLimitWithMargin() function (#141951) ... Move the private function to the internal C API (pycore_ceval.h).	2025-11-27 12:32:00 +01:00
Alper	bc9e63dd9d	gh-116738: Fix thread-safety issue in re module for free threading (gh-141923) ... Added atomic operations to `scanner_begin()` and `scanner_end()` to prevent race conditions on the `executing` flag in free-threaded builds. Also added tests for concurrent usage of the `re` module. Without the atomic operations, `test_scanner_concurrent_access()` triggers `assert(self->executing)` failures, or a thread sanitizer run emits errors.	2025-11-26 15:40:45 -05:00
Cody Maloney	9ac14288d7	gh-141968: use bytearray.take_bytes in encodings.idna (#141975)	2025-11-26 21:16:25 +05:30
Cody Maloney	9dbf77beb6	gh-141968: use bytearray.take_bytes in wave._byteswap (#141973)	2025-11-26 21:15:12 +05:30
Cody Maloney	2c1fdf3592	gh-141968: Use bytearray.take_bytes in base64 _b32encode and _b32decode (#141971)	2025-11-26 21:14:25 +05:30
Petr Viktorin	2ff8608b4d	gh-135676: Simplify docs on lexing names (GH-140464) ... This simplifies the Lexical Analysis section on Names (but keeps it technically correct) by putting all the info about non-ASCII characters in a separate (and very technical) section. It uses a mental model where the parser doesn't handle Unicode complexity “immediately”, but: - parses any non-ASCII character (outside strings/comments) as part of a name, since these can't (yet) be e.g. operators - normalizes the name - validates the name, using the xid_start/xid_continue sets Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com> Co-authored-by: Blaise Pabon <blaise@gmail.com> Co-authored-by: Micha Albert <info@micha.zone> Co-authored-by: KeithTheEE <kmurrayis@gmail.com>	2025-11-26 16:10:44 +01:00
Petr Viktorin	c359ea4c71	gh-141909: Correct version where Py_mod_gil was added (GH-141979)	2025-11-26 14:45:06 +00:00
Sergey Miryanov	2ea67caf31	GH-141861: Fix TRACE_RECORD if full (GH-141959)	2025-11-26 14:32:30 +00:00
Itamar Oren	27f62eb711	gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)	2025-11-26 14:12:49 +01:00
Petr Viktorin	d7f0214f13	gh-140550: PEP 793 reference documentation (GH-141197) ... * gh-140550: PEP 793 reference documentation Since the PEP calls for soft-deprecation of the existing initialization function, this reorganizes the relevant docs to put the new way of doing things first, and de-emphasize the old. Some bits, like the tutorial, are left out of this patch. (See the issue for a list.)	2025-11-26 12:50:03 +00:00
Guo Ci	8c33c6143e	Correct indentation in stdtypes.rst (#141957)	2025-11-26 11:55:52 +05:30
Stan Ulbrych	33efd7178e	Remove `Misc/ACKS` check from patchcheck, documentation (#141960) ... Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>	2025-11-26 00:00:00 +00:00
Stan Ulbrych	9f2a34af74	Remove references to `Misc/ACKS from CONTRIBUTING.md` (#141952) ... Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>	2025-11-25 18:59:28 +00:00
Peter Bierma	a89ee4b9c2	gh-141004: Document missing PyThread* APIs (GH-141810) ... Co-authored-by: Victor Stinner <vstinner@python.org>	2025-11-25 12:53:18 -05:00
Petr Viktorin	202fce0dbd	gh-141909: Add PyModuleDef_Slot and earlier Py_mod_* constants to stable ABI manifest (#141910) ... These were added to the limited API in 3.5. Not including them in `Misc/stable_abi.toml` was a bug.	2025-11-25 15:16:49 +01:00
Stan Ulbrych	f445c452ea	gh-141004: Document PyOS_mystr(n)icmp (#141760) ... Co-authored-by: Petr Viktorin <encukou@gmail.com>	2025-11-25 14:44:52 +01:00
Petr Viktorin	226011ba12	gh-139165: Make Py_SIZE, Py_IS_TYPE,Py_ SET_SIZE regular functions in stable ABI (GH-139166) ... * Make Py_{SIZE,IS_TYPE,SET_SIZE} regular functions in stable ABI Group them together with Py_TYPE & Py_SET_TYPE to cut down on repetitive preprocessor macros. Format repetitive definitions in object.c more concisely. Py_SET_TYPE is still left out of the Limited API.	2025-11-25 14:30:33 +01:00
Krishna Chaitanya	e6174ee981	gh-140911: Ensure that UserString.index() and UserString.rindex() accept UserString as argument (GH-140945)	2025-11-25 15:25:46 +02:00
Pablo Galindo Salgado	d07d3a3c57	gh-138122: Split Modules/_remote_debugging_module.c into multiple files (#141934) ... gh-1381228: Split Modules/_remote_debugging_module.c into multiple files	2025-11-25 12:51:24 +00:00
Paresh Joshi	da1d468bea	gh-141781: Fix pdb.line_prefix binding (#141779)	2025-11-24 18:45:16 -08:00
Sergey Miryanov	dc62b62252	GH-141861: Fix invalid memory read in the ENTER_EXECUTOR (GH-141921)	2025-11-24 22:07:45 +00:00
SubbaraoGarlapati	369ce2b139	Fix implicit import in test_monitoring.py (gh-141795)	2025-11-24 14:48:28 -05:00
Christian Marangi	fee7782650	gh-141907: Better handle support for SHA3 for test_hashlib (GH-141908) ... * test_hashlib: better handle support for SHA3 It's possible that the SSL library supports only SHA3 algo and doesn't have SHAKE one. The current test wrongly detect this and set both HASH and HASHXOF to None expecting to have the extra SHA3 attributes present but this should only be true for SHAKE algo. To better handle this, move the HASH condition to a dedicated try-expect condition and check if HASHXOF is None in the relevant code effectively checking if SHA3 is supported by the SSL library but SHAKE algo needs to use the sha3module one. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> * rework the conditional import for all its attrs --------- Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Co-authored-by: Gregory P. Smith <greg@krypto.org>	2025-11-24 17:35:58 +00:00
Peter Bierma	e1f1df4082	gh-141004: Document stack effect C APIs (GH-141843) ... Co-authored-by: Victor Stinner <vstinner@python.org>	2025-11-24 12:18:50 -05:00
Peter Bierma	5f35702bb6	gh-141004: Document PyImport_Inittab (GH-141844) ... Co-authored-by: Stan Ulbrych <stan@ulbrych.org> Co-authored-by: Victor Stinner <vstinner@python.org>	2025-11-24 16:38:18 +00:00
Sam Gross	71126ab19c	gh-129441: Fix some flakiness in test_instrumentation (gh-141881) ... Most of the `self.assertTrue(self.called)` checks are flaky because the worker threads may sometimes finish before the main thread calls `self.during_threads()`.	2025-11-24 11:19:07 -05:00
Sam Gross	c490ffb7ac	gh-116749: Fix code comment for _PyConfig_GIL_DEFAULT (gh-141804)	2025-11-24 10:42:00 -05:00
Cody Maloney	b484c32d0a	gh-141863: use bytearray.take_bytes in asyncio streams for better performance (#141864)	2025-11-24 21:06:53 +05:30
Adorilson Bezerra	fb655527d8	gh-106318: Add examples for str.join() (#140315) ... Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>	2025-11-24 16:53:25 +02:00
Adorilson Bezerra	0cde70bde0	gh-106318: Add example for str.format() (#137018)	2025-11-24 16:51:10 +02:00
Satyam Kumar Verman	9346e22dd0	gh-141831: Document behavior of functools.lru_cache with concurrent access (gh-141869)	2025-11-24 14:36:09 +00:00